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Finding the Fourth Proportional to 210,482.76, 290,471.91 and 125,649.06

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Solution

The fourth proportional to 210,482.76, 290,471.91 and 125,649.06 is: 173,399.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,482.76 : 290,471.91 = 125,649.06 : x
  2. Step 2: Convert to fraction form
    210,482.76/290,471.91 = 125,649.06/x
  3. Step 3: Cross multiply
    210,482.76x = 290,471.91 × 125,649.06
  4. Step 4: Simplify right side
    210,482.76x = 36,497,522,447.90
  5. Step 5: Solve for x
    x = 36,497,522,447.90/210,482.76
  6. Step 6: Final answer
    x = 173,399.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.